Blue is the world’s favorite color. It is also the color most often (47) with intellect and authority. Most uniforms are blue. In Greek and Roman mythology, blue is the color of sky gods. In the Old Testament, God is (48) by deep blue. Blue and turquoise (青绿色) are represented by the Islamic religion. It is the (49) color in the mosques of the world. Blue symbolizes truth, peace and cooperation. It is the color of the flag of the United Nations and of Europe. As the coolest color of the spectrum, it is the hue most likely to have a receding effect. As in the skies and water that (50) us, blue is seen as a peaceful and (51) color. Blue light has seen to (52) blood pressure by calming the nervous system hence relaxing the body and mind. Blue creates large airy spaces. It makes rooms bigger. The wrong shade of blue can be uncomfortable. It can also be cold and sterile(枯燥的) unless (53) with warmer colors. Light and soft blue makes us feel quiet and protected from the bustle (喧闹) and (54) of the day. Blue bedrooms are restful. Blue bath rooms are appropriately watery. Blue (55) depth with greens and reds. Dark blue represents the night making us calm. Its apparently calming effect makes it the perfect tone for the quieter (56) of your living space.